package com.book.servlet;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.book.dao.BookDao;
import com.book.domain.Book;
import com.book.domain.BookItem;
import com.book.domain.Cart;

/**
 * Servlet implementation class BuyBookServlet
 */
public class BuyBookServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public BuyBookServlet() {
        super();
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
	  request.setCharacterEncoding("utf-8");
	  response.setCharacterEncoding("utf-8");
	  int id=Integer.parseInt(request.getParameter("id")) ;
	  BookDao bookDao=new BookDao();
	  Book book=new Book(id);
	  Book book2= bookDao.selectBook(book);
	  BookItem bookItem=new BookItem();
	  bookItem.setBookname(book.getBookname());
	  bookItem.setId(id);
	  bookItem.setBookprice(book.getBookprice());
	  bookItem.setBooknumber(1);
	  bookItem.setBookstotalprice(bookItem.getBookprice());
	  Cart cart=  (Cart) request.getSession().getAttribute("cart");
	  if(cart!=null){
		  cart.addBookItem(bookItem);
	  }else {
		Cart cart2=new Cart();
		cart2.addBookItem(bookItem);
		request.getSession().setAttribute("cart", cart2);
	}
	  request.getRequestDispatcher("/page/book/cart.jsp").forward(request, response);
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
	doGet(request, response);
	}

}
